I could imagine writing another function for same point, and I have to give it a name like same point polar, and same point Cartesian.

程序不知道怎么来做了,它没有对应的处理方法，所以它要抱怨了,那么我这里的问题就是，这也是我一直想要说的。

麻省理工公开课 - 计算机科学及编程导论课程节选

It says you gave me something I didn't know how to deal.

它的意思是你给了编译器一个,他不知道怎么处理的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选